Icom IC-751A Instruction Manual page 52

5) Orient the unit so that the crystal and heater terminais are
inserted into the correct holes as indicated in the photo. The
terminais are labelled on the bottom of the unit.
Position the crystal unit flush with the board, bend the leads
against the foil on the board and solder.
6) Trim the terminais even with the solder points.
7) Replace the PLL board and re-install the connectors. Replace the
top and bottom covers.
10 - 5 UT-30 PROGRAMMABLE ENCODER UNIT
•INSTALLATION
1) Remove the top cover.
X1
!
P1t]
P2
ID
PROGRAMMI NG P3
Ill
POSITIONS P4 IC1
P5
t'II
P6
m
CONNECTOR
•Above unit is programmed
for an 88.5Hz tone at the
factory.
2) lnstall the unit where IC3 is located using the supplied double-
sided tape.
Orient the unit as shown in the diagram.
3) Plug the 3-pin connector into :J6 on the MAIN unit.
4) Program the unit for the frequency required using the program-
ming chart. The UT-30 is factory programmed for 88.5Hz.
5) Replace the transceiver caver.
Refer to SECTION
7 -
6 FM REPEATER OPERATION for instruc-
tions regarding operation.
NOTE: lnstall and solder a jumper wire in each position indi-
cated by "1" in the table below.
SUBAUDIBLE TONE ENCODER PROGRAMMING CHART
FRE-
P1 P2
P3
P4 P5
P6
FRE-
P1 P2 P3 P4
P5 P6
QUENCY
QUENCY
67.0 1
-
131.8 1
1
71.9 1
136.5
1 1 1
74.4 1 1 141.3 1 1
1
77.0 1 146.2 1 1 1 1
79.7 1 1 151.4
1 1
82.5 1 1 156.7 1 1
1
85.4 1
1 1
162.2 1 1
1
88.5
-
1
167.9 1 1 1
1
91.5 1 1
173.8 1 1
1
94.8 1 1 179.9
1 1 1 1
97.4 1 1 1 186.2
1 1 1 1
100.0 1 1 192.8
1 1 1 1 1
103.5 1 1 1
203.5
1
107.2 1
1 1 210.7 1
1
110.9 1 1
1 1 218.1
1 1
114.8 1
225.7 1
1
1
118.8 1 1
233.6 1 1
123.0 1
1 241.8 1
1
1
127.3 1 1
1 250.3
1 1 1
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